


from __future__ import annotations
def      UpperCAmelCase__		(UpperCamelCase_				,UpperCamelCase_							):



     """simple docstring"""






     snake_case					,    snake_case											=							set(UpperCamelCase_							), [start]

     while stack:
          snake_case											=							stack.pop()
          explored.add(UpperCamelCase_							)
          # Differences from BFS:
          # 1) pop last element instead of first one
          # 2) add adjacent elements to stack without exploring them
          for adj in reversed(graph[v]							):
               if adj not in explored:
                    stack.append(UpperCamelCase_							)
     return explored


_SCREAMING_SNAKE_CASE     :					Dict      =       {
    "A": ["B", "C", "D"],
    "B": ["A", "D", "E"],
    "C": ["A", "F"],
    "D": ["B", "D"],
    "E": ["B", "F"],
    "F": ["C", "E", "G"],
    "G": ["F"],
}

if __name__ == "__main__":
 import doctest

 doctest.testmod()
 print(depth_first_search(G, "A"))








from __future__ import annotations

from math import pow, sqrt
def      UpperCAmelCase__		(UpperCamelCase_				,UpperCamelCase_				,UpperCamelCase_							):



     """simple docstring"""






     if (resistance, reactance, impedance).count(0							) != 1:
          raise ValueError('''One and only one argument must be 0'''							)
     if resistance == 0:
          return {"resistance": sqrt(pow(UpperCamelCase_				,2							) - pow(UpperCamelCase_				,2							)							)}
     elif reactance == 0:
          return {"reactance": sqrt(pow(UpperCamelCase_				,2							) - pow(UpperCamelCase_				,2							)							)}
     elif impedance == 0:
          return {"impedance": sqrt(pow(UpperCamelCase_				,2							) + pow(UpperCamelCase_				,2							)							)}
     else:
          raise ValueError('''Exactly one argument must be 0'''							)


if __name__ == "__main__":
 import doctest

 doctest.testmod()




